Cho cơ hệ như hình vẽ . Thả cho trụ rỗng theo phương thẳng đứng xuống dưới. Biết khối lượng của trụ m =5kg, bán kính R=20cm dây nhẹ, không giãn, g=10 Hỏi phân tích các lực tác dụng vào trụ rỗng . B) xác định gia tốc tịnh tiến, gia tốc góc của trụ rỗng theo m R g

If y gets smaller as x gets bigger and y have an relationship?

1. the materials manager for a billiard ball maker must periodically place orders for resin, one of the raw materials used in producing billiard balls. she knows that manufacturing uses resin at a rate of 50 kilograms each day, and that it costs $.04 per day to carry a kilogram of resin in inventory. she also knows that the order costs for resin are $100 per order, and that the lead time for delivery is four (4) days.2. at what point should resin be reordered? a. 0 kilograms remainingb. 50 kilograms remainingc. 200 kilograms remainingd. 400 kilograms remaininge. 500 kilograms remaining3. if order size was 1,000 kilograms of resin, what would be the length of an order cycle? a. 0.05 daysb. 4 daysc. 16 daysd. 20 dayse. 50 days4. if the order size was 1,000 kilograms of resin, what would be the average inventory level? a. 50 kilogramsb. 200 kilogramsc. 500 kilogramsd. 800 kilogramse. 1,000 kilograms5. if the order size was 1,000 kilograms of resin, what would be the daily total inventory costs, excluding the cost of the resin? a. $5b. $10c. $20d. $25e. $40

Contains chemical energy. a. heat b. light c. natural gas